diff --git a/userspace/ppsi b/userspace/ppsi
index 20c0c0c4f5b8cd3e70041d907d855d4ba681d8c7..51fc7cc41156017cb49febcbcc99777898cbd289 160000
--- a/userspace/ppsi
+++ b/userspace/ppsi
@@ -1 +1 @@
-Subproject commit 20c0c0c4f5b8cd3e70041d907d855d4ba681d8c7
+Subproject commit 51fc7cc41156017cb49febcbcc99777898cbd289